genai / news / / VentureBeat
Z.ai, also known as Zhupai AI, a Chinese AI startup best known for its powerful, open source GLM family of models, has unveiled GLM-5.1.
Z.ai's GLM-5.1 is a 754B parameter open-source model released under the MIT License, enabling commercial use.
KEY POINTS
- GLM-5.1 can autonomously execute tasks for up to eight hours, far exceeding previous agentic model limits.
- The model surpassed GPT-5.4, Claude Opus 4.6, and Gemini 3.1 Pro on SWE-Bench Pro coding benchmarks.
- GLM-5.1 achieves performance gains by switching strategies autonomously during extended tool-based optimization loops.
- Z.ai is pioneering a hybrid strategy, keeping high-speed models proprietary while open-sourcing flagship intelligence.
COMPANIES
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